Which is not a cause of positive trendelenburg sign?
Correct Answer: Paralysis of gluteus maximus
Description: Ans A Paralysis of gluteus maximusRef: Maheswari Orthopaedics, 5th ed. pg. 135* When a person stands on one leg, the tendency of unsupported side to sag down is counteracted by gluteus medius and minimus. These two muscles form the abductor mechanism of hip.* In case the abductor mechanism is defective, unsupported side of the pelvis drops and is called Positive Trendelenburg sign. It is seen in:# Paralysis of gluteus medius and minimus# Congenital dislocation of Hip# Ununited fracture# Coxa vara
Category:
Anatomy
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